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331132133031012 = 223230153130504707
BaseRepresentation
bin100101101001010011011010…
…1001010011011110001100100
31121102102220220200200012220200
41023102212311022123301210
5321400232102023443022
63132132000223230500
7126514335642151065
oct11322466512336144
91542386820605820
10331132133031012
1196566392554345
123117b761448430
131129c81a898a41
145baac48adc56c
152843790101bac
hex12d29b529bc64

331132133031012 has 36 divisors (see below), whose sum is σ = 837031250751696. Its totient is φ = 110377008002160.

The previous prime is 331132133030981. The next prime is 331132133031019. The reversal of 331132133031012 is 210130331231133.

331132133031012 is a `hidden beast` number, since 3 + 3 + 1 + 1 + 3 + 2 + 1 + 330 + 310 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (331132133031019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4397238 + ... + 26107469.

It is an arithmetic number, because the mean of its divisors is an integer number (23250868076436).

Almost surely, 2331132133031012 is an apocalyptic number.

It is an amenable number.

331132133031012 is an abundant number, since it is smaller than the sum of its proper divisors (505899117720684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331132133031012 is a wasteful number, since it uses less digits than its factorization.

331132133031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806248 (or 30806243 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 331132133031012 its reverse (210130331231133), we get a palindrome (541262464262145).

The spelling of 331132133031012 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, one hundred thirty-three million, thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 301531 603062 904593 1206124 1809186 2713779 3618372 5427558 10855116 30504707 61009414 91514121 122018828 183028242 274542363 366056484 549084726 1098169452 9198114806417 18396229612834 27594344419251 36792459225668 55188688838502 82783033257753 110377377677004 165566066515506 331132133031012